We would like to ask you questions about up grading our Lumion basice version to Lumion Pro.First of all:What is the different between Ultimate and pro? I can see in out upgrade option that I can upgrade and pay 1249$,is that correct? And is that a pro version?I want upgrade to pro versionAnother thin if we want to buy two licenses for Lumion pro,any discount available for us?Please response as soon as you can it is an urgentThanksHussam